389231388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 1331890560

約数和(自身を除く): 942659172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 29, 34, 36, 39, 42, 51, 52, 58, 63, 68, 78, 84, 87, 91, 102, 116, 117, 119, 126, 153, 156, 174, 182, 203, 204, 221, 234, 238, 241, 252, 261, 273, 306, 348, 357, 364, 377, 406, 442, 468, 476, 482, 493, 522, 546, 609, 612, 663, 714, 723, 754, 812, 819, 884, 964, 986, 1044, 1071, 1092, 1131, 1218, 1326, 1428, 1446, 1479, 1508, 1547, 1638, 1687, 1827, 1972, 1989, 2142, 2169, 2262, 2436, 2639, 2652, 2892, 2958, 3094, 3133, 3276, 3374, 3393, 3451, 3654, 3978, 4097, 4284, 4338, 4437, 4524, 4641, 5061, 5278, 5916, 6188, 6266, 6409, 6748, 6786, 6902, 6989, 7308, 7917, 7956, 8194, 8676, 8874, 9282, 9399, 10122, 10353, 10556, 12291, 12532, 12818, 13572, 13804, 13923, 13978, 15183, 15834, 16388, 17748, 18564, 18798, 19227, 20244, 20706, 20967, 21931, 23751, 24582, 25636, 27846, 27956, 28197, 28679, 30366, 31059, 31668, 36873, 37596, 38454, 41412, 41934, 43862, 44863, 47502, 48923, 49164, 53261, 55692, 56394, 57358, 57681, 60732, 62118, 62901, 65793, 73746, 76908, 83868, 86037, 87724, 89726, 90857, 95004, 97846, 106522, 112788, 114716, 115362, 118813, 124236, 125802, 131586, 134589, 146769, 147492, 159783, 172074, 179452, 181714, 195692, 197379, 213044, 230724, 237626, 251604, 258111, 263172, 269178, 272571, 293538, 319566, 344148, 356439, 363428, 372827, 394758, 403767, 440307, 475252, 479349, 516222, 538356, 545142, 587076, 635999, 639132, 712878, 745654, 789516, 807534, 817713, 831691, 880614, 958698, 1032444, 1069317, 1090284, 1118481, 1271998, 1425756, 1491308, 1544569, 1615068, 1635426, 1663382, 1761228, 1907997, 1917396, 2138634, 2236962, 2495073, 2543996, 3089138, 3270852, 3326764, 3355443, 3815994, 4277268, 4473924, 4633707, 4990146, 5723991, 6178276, 6710886, 7485219, 7631988, 9267414, 9980292, 10811983, 11447982, 13421772, 13901121, 14970438, 18534828, 21623966, 22895964, 27802242, 29940876, 32435949, 43247932, 55604484, 64871898, 97307847, 129743796, 194615694, 389231388]

約数ペア:

[(1, 389231388), (2, 194615694), (3, 129743796), (4, 97307847), (6, 64871898), (7, 55604484), (9, 43247932), (12, 32435949), (13, 29940876), (14, 27802242), (17, 22895964), (18, 21623966), (21, 18534828), (26, 14970438), (28, 13901121), (29, 13421772), (34, 11447982), (36, 10811983), (39, 9980292), (42, 9267414), (51, 7631988), (52, 7485219), (58, 6710886), (63, 6178276), (68, 5723991), (78, 4990146), (84, 4633707), (87, 4473924), (91, 4277268), (102, 3815994), (116, 3355443), (117, 3326764), (119, 3270852), (126, 3089138), (153, 2543996), (156, 2495073), (174, 2236962), (182, 2138634), (203, 1917396), (204, 1907997), (221, 1761228), (234, 1663382), (238, 1635426), (241, 1615068), (252, 1544569), (261, 1491308), (273, 1425756), (306, 1271998), (348, 1118481), (357, 1090284), (364, 1069317), (377, 1032444), (406, 958698), (442, 880614), (468, 831691), (476, 817713), (482, 807534), (493, 789516), (522, 745654), (546, 712878), (609, 639132), (612, 635999), (663, 587076), (714, 545142), (723, 538356), (754, 516222), (812, 479349), (819, 475252), (884, 440307), (964, 403767), (986, 394758), (1044, 372827), (1071, 363428), (1092, 356439), (1131, 344148), (1218, 319566), (1326, 293538), (1428, 272571), (1446, 269178), (1479, 263172), (1508, 258111), (1547, 251604), (1638, 237626), (1687, 230724), (1827, 213044), (1972, 197379), (1989, 195692), (2142, 181714), (2169, 179452), (2262, 172074), (2436, 159783), (2639, 147492), (2652, 146769), (2892, 134589), (2958, 131586), (3094, 125802), (3133, 124236), (3276, 118813), (3374, 115362), (3393, 114716), (3451, 112788), (3654, 106522), (3978, 97846), (4097, 95004), (4284, 90857), (4338, 89726), (4437, 87724), (4524, 86037), (4641, 83868), (5061, 76908), (5278, 73746), (5916, 65793), (6188, 62901), (6266, 62118), (6409, 60732), (6748, 57681), (6786, 57358), (6902, 56394), (6989, 55692), (7308, 53261), (7917, 49164), (7956, 48923), (8194, 47502), (8676, 44863), (8874, 43862), (9282, 41934), (9399, 41412), (10122, 38454), (10353, 37596), (10556, 36873), (12291, 31668), (12532, 31059), (12818, 30366), (13572, 28679), (13804, 28197), (13923, 27956), (13978, 27846), (15183, 25636), (15834, 24582), (16388, 23751), (17748, 21931), (18564, 20967), (18798, 20706), (19227, 20244)]